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1 package org.hibernate.tuple;
3
4 import java.lang.reflect.Method  ;
5 import java.util.Iterator ;
6
7 import org.hibernate.HibernateException;
8 import org.hibernate.engine.SessionFactoryImplementor;
9 import org.hibernate.mapping.Component;
10 import org.hibernate.mapping.Property;
11 import org.hibernate.property.Getter;
12 import org.hibernate.property.Setter;
13
14
17 public abstract class AbstractComponentTuplizer implements ComponentTuplizer {
18
19 protected final Getter[] getters;
20 protected final Setter[] setters;
21 protected final int propertySpan;
22 protected final Instantiator instantiator;
23 protected final boolean hasCustomAccessors;
24
25 protected abstract Instantiator buildInstantiator(Component component);
26 protected abstract Getter buildGetter(Component component, Property prop);
27 protected abstract Setter buildSetter(Component component, Property prop);
28
29 protected AbstractComponentTuplizer(Component component) {
30
31 propertySpan = component.getPropertySpan();
32
33 getters = new Getter[propertySpan];
34 setters = new Setter[propertySpan];
35 Iterator iter = component.getPropertyIterator();
36 boolean foundCustomAccessor=false;
37 int i=0;
38 while ( iter.hasNext() ) {
39 Property prop = (Property) iter.next();
40 getters[i] = buildGetter(component, prop);
41 setters[i] = buildSetter(component, prop);
42 if ( !prop.isBasicPropertyAccessor() ) foundCustomAccessor = true;
43 i++;
44 }
45 hasCustomAccessors = foundCustomAccessor;
46
47 String [] getterNames = new String [propertySpan];
48 String [] setterNames = new String [propertySpan];
49 Class [] propTypes = new Class [propertySpan];
50 for ( int j = 0; j < propertySpan; j++ ) {
51 getterNames[j] = getters[j].getMethodName();
52 setterNames[j] = setters[j].getMethodName();
53 propTypes[j] = getters[j].getReturnType();
54 }
55 instantiator = buildInstantiator(component);
56 }
57
58
59 public Object getPropertyValue(Object component, int i)
60 throws HibernateException {
61 return getters[i].get( component );
62 }
63
64 public Object [] getPropertyValues(Object component) throws HibernateException {
65 Object [] values = new Object [propertySpan];
66 for ( int i = 0; i < propertySpan; i++ ) {
67 values[i] = getPropertyValue( component, i );
68 }
69 return values;
70 }
71
72 public boolean isInstance(Object object) {
73 return instantiator.isInstance(object);
74 }
75
76 public void setPropertyValues(Object component, Object [] values)
77 throws HibernateException {
78
79 for ( int i = 0; i < propertySpan; i++ ) {
80 setters[i].set( component, values[i], null );
81 }
82
83 }
84
85
88 public Object instantiate() throws HibernateException {
89 return instantiator.instantiate();
90 }
91
92 public Object getParent(Object component) {
93 return null;
94 }
95
96 public boolean hasParentProperty() {
97 return false;
98 }
99
100 public boolean isMethodOf(Method method) {
101 return false;
102 }
103
104 public void setParent(Object component, Object parent, SessionFactoryImplementor factory) {
105 throw new UnsupportedOperationException ();
106 }
107
108 }
109 |
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